Mezzaluna knife



FIG. 1 is a perspective view of a mezzaluna knife according to the new design;

FIG. 2 is a top view of a mezzaluna knife according to the new design shown in FIG. 1;

FIG. 3 is a front view of a mezzaluna knife according to the new design shown in FIG. 1;

FIG. 4 is a rear view of a mezzaluna knife according to the new design shown in FIG. 1;

FIG. 5 is a bottom view of the mezzaluna knife shown in FIG. 1;

FIG. 6 is a left side elevation view of the mezzaluna knife shown in FIG. 1; and,

FIG. 7 is a right side elevation view of the mezzaluna knife shown in FIG. 1.

Features shown in broken lines form no part of the claimed design. 

We claim the ornamental design for a mezzaluna knife, as shown and described. 